srvd_boolean_t srvd_service_nss_passwd_request_name_get(const srvd_service_request_t *request,
char **name) {
srvd_protocol_packet_field_t *field = NULL;
srvd_protocol_packet_field_entry_t *entry = NULL;
SRVD_RETURN_FALSE_UNLESS(request);
SRVD_RETURN_FALSE_UNLESS(request->packet.field_count > 0);
SRVD_RETURN_FALSE_UNLESS(name);
SRVD_RETURN_FALSE_UNLESS(*name == NULL);
srvd_protocol_packet_field_get_first(&request->packet, &field);
if(field->type != SRVD_SERVICE_NSS_PASSWD_REQUEST_NAME) {
SRVD_LOG_ERROR("srvd_service_nss_passwd_request_name_get: Invalid packet type");
return SRVD_FALSE;
}
SRVD_RETURN_FALSE_UNLESS(field->entry_count == 1);
srvd_protocol_packet_field_entry_get_first(field, &entry);
*name = malloc(entry->size);
if(*name == NULL) {
SRVD_LOG_ERROR("srvd_service_nss_passwd_request_name_get: Unable to allocate memory for name");
return SRVD_FALSE;
}
strncpy(*name, entry->data, entry->size);
(*name)[entry->size - 1] = '\0';
return SRVD_TRUE;
}
srvd_boolean_t srvd_service_nss_passwd_request_entities_get(const srvd_service_request_t *request,
int32_t *offset) {
srvd_protocol_packet_field_t *field = NULL;
srvd_protocol_packet_field_entry_t *entry = NULL;
SRVD_RETURN_FALSE_UNLESS(request);
SRVD_RETURN_FALSE_UNLESS(request->packet.field_count > 0);
SRVD_RETURN_FALSE_UNLESS(offset);
srvd_protocol_packet_field_get_first(&request->packet, &field);
if(field->type != SRVD_SERVICE_NSS_PASSWD_REQUEST_ENTITIES) {
SRVD_LOG_ERROR("srvd_service_nss_passwd_request_entites_get: Invalid packet type");
return SRVD_FALSE;
}
SRVD_RETURN_FALSE_UNLESS(field->entry_count == 1);
srvd_protocol_packet_field_entry_get_first(field, &entry);
return srvd_protocol_packet_field_entry_get_uint32(entry, (uint32_t *)offset);
}
srvd_boolean_t srvd_server_unsock_execute(srvd_server_unsock_t *server) {
srvd_boolean_t status = SRVD_TRUE;
SRVD_RETURN_FALSE_UNLESS(server);
server->monitor.executing = SRVD_TRUE;
if(bind(server->socket, (struct sockaddr *)&server->endpoint, sizeof(struct sockaddr_un)) == -1) {
SRVD_LOG_ERROR("srvd_server_unsock_execute: Unable to bind to socket at \"%s\"",
server->endpoint.sun_path);
return SRVD_FALSE;
}
if(listen(server->socket, server->conf.queue_size) == -1) {
SRVD_LOG_ERROR("srvd_server_unsock_execute: Unable to listen on bound socket");
return SRVD_FALSE;
}
for(;;) {
int client = accept(server->socket, NULL, 0);
if(client == -1) {
SRVD_LOG_WARNING("srvd_server_unsock_execute: Error accept()ing client");
continue;
}
srvd_service_request_t request;
srvd_service_response_t response;
srvd_service_request_initialize(&request);
srvd_service_response_initialize(&response);
if(!_srvd_server_unsock_read(client, &request.packet)) {
SRVD_LOG_WARNING("srvd_server_unsock_execute: Could not read data from client");
goto _srvd_server_unsock_execute_client_error;
}
srvd_protocol_packet_field_t *field = NULL;
if(!srvd_protocol_packet_field_get_first(&request.packet, &field)) {
/* Nothing valid? */
SRVD_LOG_WARNING("srvd_server_unsock_execute: Invalid packet");
goto _srvd_server_unsock_execute_client_error;
}
/* Okay, let's see if we have a matching handler for the request. */
srvd_server_service_handler_pt handler = NULL;
if(srvd_server_service_get(&server->monitor, field->type, &handler)) {
handler(&request, &response);
/* Get the response status and inject it into the list of fields. */
srvd_protocol_packet_field_insert_uint16(&response.packet, SRVD_PROTOCOL_STATUS,
response.status);
}
else
/* Nope -- unavailable. */
srvd_protocol_packet_field_insert_uint16(&response.packet, SRVD_PROTOCOL_STATUS,
SRVD_SERVICE_RESPONSE_UNAVAIL);
if(!_srvd_server_unsock_write(client, &response.packet)) {
SRVD_LOG_WARNING("srvd_server_unsock_execute: Could not write data to client");
goto _srvd_server_unsock_execute_client_error;
}
_srvd_server_unsock_execute_client_error:
srvd_service_request_finalize(&request);
srvd_service_response_finalize(&response);
if(client >= 0)
close(client);
}
close(server->socket);
server->monitor.executing = SRVD_FALSE;
return status;
}
